只需添加引用在1 wcf项目中的第二个wcf。它与什么类型的项目无关。添加和使用wcf是一样的。

Just by adding a reference of 2nd wcf in the 1 wcf project. It does not matter what type of the project it is. Adding and using the wcf is same.

只需添加引用。第一个项目到第二个

Just adding the ref. of 1'st project into 2'nd one